Robson Square was transformed into North Korea, including a large statue of Kim Jong-Un.
Passersby started noticing something was going on earlier in the day when green screens — which allow filmmakers to add computer-generated images — started popping up in the square.
The Interview is directed by Evan Goldberg and Seth Rogen, both of whom were born in Vancouver and have collaborated on several movies, including Superbad and This is the End.
In The Interview, Rogen and Franco play a talk show producer and host respectively who unknowingly get caught up in an international assassination plot.
Filming in Vancouver is scheduled to wrap up in mid-December.
People quickly took to Twitter to share their excitement at seeing the two stars.
© Shaw Media, 2013